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89989498998 = 2327714202373
BaseRepresentation
bin101001111001111001…
…0101100100001110110
322121021112010012110100
41103303302230201312
52433244302431443
6105201323134530
76334011056250
oct1236362544166
9277245105410
1089989498998
11351897a9583
1215535374446
1386418b6679
1444d9766cd0
15251a4a53d3
hex14f3cac876

89989498998 has 24 divisors (see below), whose sum is σ = 222831140688. Its totient is φ = 25711285392.

The previous prime is 89989498987. The next prime is 89989499003.

89989498998 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×899894989982 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357101061 + ... + 357101312.

It is an arithmetic number, because the mean of its divisors is an integer number (9284630862).

Almost surely, 289989498998 is an apocalyptic number.

89989498998 is an abundant number, since it is smaller than the sum of its proper divisors (132841641690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89989498998 is a wasteful number, since it uses less digits than its factorization.

89989498998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714202388 (or 714202385 counting only the distinct ones).

The product of its digits is 8707129344, while the sum is 90.

The spelling of 89989498998 in words is "eighty-nine billion, nine hundred eighty-nine million, four hundred ninety-eight thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 714202373 1428404746 2142607119 4285214238 4999416611 6427821357 9998833222 12855642714 14998249833 29996499666 44994749499 89989498998